55407371 has 8 divisors (see below), whose sum is σ = 57612000. Its totient is φ = 53222400.

The previous prime is 55407353. The next prime is 55407379. The reversal of 55407371 is 17370455.

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 55407371 - 2⁶ = 55407307 is a prime.

It is a super-2 number, since 2×55407371² = 6139953522263282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55407379) 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, 971 + ... + 10571.

It is an arithmetic number, because the mean of its divisors is an integer number (7201500).

Almost surely, 2^55407371 is an apocalyptic number.

55407371 is a deficient number, since it is larger than the sum of its proper divisors (2204629).

55407371 is a wasteful number, since it uses less digits than its factorization.

55407371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9829.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 55407371 is about 7443.6127653177. The cubic root of 55407371 is about 381.2318541574.

The spelling of 55407371 in words is "fifty-five million, four hundred seven thousand, three hundred seventy-one".