54574740 has 144 divisors (see below), whose sum is σ = 185080896. Its totient is φ = 12902400.

The previous prime is 54574733. The next prime is 54574747. The reversal of 54574740 is 4747545.

54574740 = 969² + 970² + ... + 1023².

54574740 is a `hidden beast` number, since 545 + 74 + 7 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (54574733) and next prime (54574747).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 54574695 and 54574704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54574747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84820 + ... + 85460.

It is an arithmetic number, because the mean of its divisors is an integer number (1285284).

Almost surely, 2^54574740 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 54574740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92540448).

54574740 is an abundant number, since it is smaller than the sum of its proper divisors (130506156).

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

54574740 is a wasteful number, since it uses less digits than its factorization.

54574740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 54574740 is about 7387.4718273574. The cubic root of 54574740 is about 379.3125613873.

The spelling of 54574740 in words is "fifty-four million, five hundred seventy-four thousand, seven hundred forty".