52451120 has 40 divisors (see below), whose sum is σ = 129125664. Its totient is φ = 19745792.

The previous prime is 52451093. The next prime is 52451131. The reversal of 52451120 is 2115425.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×52451120² = 5502239978508800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 52451092 and 52451101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17924 + ... + 20643.

Almost surely, 2^52451120 is an apocalyptic number.

It is an amenable number.

52451120 is an abundant number, since it is smaller than the sum of its proper divisors (76674544).

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

52451120 is a wasteful number, since it uses less digits than its factorization.

52451120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38597 (or 38591 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 52451120 is about 7242.3145471596. The cubic root of 52451120 is about 374.3273749970.

Adding to 52451120 its reverse (2115425), we get a palindrome (54566545).

The spelling of 52451120 in words is "fifty-two million, four hundred fifty-one thousand, one hundred twenty".