59423540 has 48 divisors (see below), whose sum is σ = 136793664. Its totient is φ = 21504000.

The previous prime is 59423537. The next prime is 59423543. The reversal of 59423540 is 4532495.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (59423537) and next prime (59423543).

It is a super-2 number, since 2×59423540² = 7062314212263200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 59423497 and 59423506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59423543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56015 + ... + 57065.

It is an arithmetic number, because the mean of its divisors is an integer number (2849868).

Almost surely, 2^59423540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 59423540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68396832).

59423540 is an abundant number, since it is smaller than the sum of its proper divisors (77370124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

59423540 is a wasteful number, since it uses less digits than its factorization.

59423540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 59423540 is about 7708.6665513563. Note that the first 3 decimals coincide. The cubic root of 59423540 is about 390.2289692056.

The spelling of 59423540 in words is "fifty-nine million, four hundred twenty-three thousand, five hundred forty".