54525478 has 16 divisors (see below), whose sum is σ = 98392320. Its totient is φ = 22138056.

The previous prime is 54525473. The next prime is 54525487. The reversal of 54525478 is 87452545.

It is a super-2 number, since 2×54525478² = 5946055502256968, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 54525478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54525473) 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, 102226 + ... + 102757.

It is an arithmetic number, because the mean of its divisors is an integer number (6149520).

Almost surely, 2^54525478 is an apocalyptic number.

54525478 is a deficient number, since it is larger than the sum of its proper divisors (43866842).

54525478 is a wasteful number, since it uses less digits than its factorization.

54525478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205011.

The product of its digits is 224000, while the sum is 40.

The square root of 54525478 is about 7384.1369163904. The cubic root of 54525478 is about 379.1983979455.

The spelling of 54525478 in words is "fifty-four million, five hundred twenty-five thousand, four hundred seventy-eight".