55562151 has 4 divisors (see below), whose sum is σ = 74082872. Its totient is φ = 37041432.

The previous prime is 55562083. The next prime is 55562161. The reversal of 55562151 is 15126555.

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

It is not a de Polignac number, because 55562151 - 2¹⁴ = 55545767 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 (55562161) 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, 9260356 + ... + 9260361.

It is an arithmetic number, because the mean of its divisors is an integer number (18520718).

Almost surely, 2^55562151 is an apocalyptic number.

55562151 is a deficient number, since it is larger than the sum of its proper divisors (18520721).

55562151 is a wasteful number, since it uses less digits than its factorization.

55562151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18520720.

The product of its digits is 7500, while the sum is 30.

The square root of 55562151 is about 7454.0023477324. The cubic root of 55562151 is about 381.5865133853.

The spelling of 55562151 in words is "fifty-five million, five hundred sixty-two thousand, one hundred fifty-one".