55413051 has 4 divisors (see below), whose sum is σ = 73884072. Its totient is φ = 36942032.

The previous prime is 55413023. The next prime is 55413067. The reversal of 55413051 is 15031455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55413051 - 2¹³ = 55404859 is a prime.

It is a super-2 number, since 2×55413051² = 6141212442257202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55413851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9235506 + ... + 9235511.

It is an arithmetic number, because the mean of its divisors is an integer number (18471018).

Almost surely, 2^55413051 is an apocalyptic number.

55413051 is a deficient number, since it is larger than the sum of its proper divisors (18471021).

55413051 is a wasteful number, since it uses less digits than its factorization.

55413051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18471020.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55413051 is about 7443.9942907017. The cubic root of 55413051 is about 381.2448808414.

The spelling of 55413051 in words is "fifty-five million, four hundred thirteen thousand, fifty-one".