52454457 has 24 divisors (see below), whose sum is σ = 84678048. Its totient is φ = 31012800.

The previous prime is 52454443. The next prime is 52454473. The reversal of 52454457 is 75445425.

It is a happy number.

It is not a de Polignac number, because 52454457 - 2¹¹ = 52452409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52454477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2403 + ... + 10520.

It is an arithmetic number, because the mean of its divisors is an integer number (3528252).

Almost surely, 2^52454457 is an apocalyptic number.

It is an amenable number.

52454457 is a deficient number, since it is larger than the sum of its proper divisors (32223591).

52454457 is a wasteful number, since it uses less digits than its factorization.

52454457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12981 (or 12978 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 52454457 is about 7242.5449256460. The cubic root of 52454457 is about 374.3353132067.

The spelling of 52454457 in words is "fifty-two million, four hundred fifty-four thousand, four hundred fifty-seven".