55032477 has 8 divisors (see below), whose sum is σ = 73460160. Its totient is φ = 36646560.

The previous prime is 55032473. The next prime is 55032499. The reversal of 55032477 is 77423055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55032477 - 2² = 55032473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55032473) 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, 7224 + ... + 12737.

It is an arithmetic number, because the mean of its divisors is an integer number (9182520).

Almost surely, 2^55032477 is an apocalyptic number.

It is an amenable number.

55032477 is a deficient number, since it is larger than the sum of its proper divisors (18427683).

55032477 is a wasteful number, since it uses less digits than its factorization.

55032477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20883.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 55032477 is about 7418.3877628498. The cubic root of 55032477 is about 380.3700849760.

The spelling of 55032477 in words is "fifty-five million, thirty-two thousand, four hundred seventy-seven".