52454780 has 24 divisors (see below), whose sum is σ = 125891808. Its totient is φ = 17984448.

The previous prime is 52454777. The next prime is 52454783. The reversal of 52454780 is 8745425.

It is an interprime number because it is at equal distance from previous prime (52454777) and next prime (52454783).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 52454780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52454783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187199 + ... + 187478.

It is an arithmetic number, because the mean of its divisors is an integer number (5245492).

Almost surely, 2^52454780 is an apocalyptic number.

It is an amenable number.

52454780 is an abundant number, since it is smaller than the sum of its proper divisors (73437028).

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

52454780 is a wasteful number, since it uses less digits than its factorization.

52454780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374693 (or 374691 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 52454780 is about 7242.5672244032. The cubic root of 52454780 is about 374.3360815561.

The spelling of 52454780 in words is "fifty-two million, four hundred fifty-four thousand, seven hundred eighty".