55457029 has 8 divisors (see below), whose sum is σ = 58631040. Its totient is φ = 52308576.

The previous prime is 55457023. The next prime is 55457033. The reversal of 55457029 is 92075455.

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

It is a cyclic number.

It is not a de Polignac number, because 55457029 - 2³ = 55457021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55457021) 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, 1837 + ... + 10690.

It is an arithmetic number, because the mean of its divisors is an integer number (7328880).

Almost surely, 2^55457029 is an apocalyptic number.

It is an amenable number.

55457029 is a deficient number, since it is larger than the sum of its proper divisors (3174011).

55457029 is a wasteful number, since it uses less digits than its factorization.

55457029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12779.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 55457029 is about 7446.9476297339. The cubic root of 55457029 is about 381.3457112026.

The spelling of 55457029 in words is "fifty-five million, four hundred fifty-seven thousand, twenty-nine".