55245351 has 32 divisors (see below), whose sum is σ = 86704128. Its totient is φ = 30636000.

The previous prime is 55245349. The next prime is 55245353. The reversal of 55245351 is 15354255.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55245349) and next prime (55245353).

It is not a de Polignac number, because 55245351 - 2¹ = 55245349 is a prime.

It is a super-2 number, since 2×55245351² = 6104097614226402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55245353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219976 + ... + 220226.

It is an arithmetic number, because the mean of its divisors is an integer number (2709504).

Almost surely, 2^55245351 is an apocalyptic number.

55245351 is a deficient number, since it is larger than the sum of its proper divisors (31458777).

55245351 is a wasteful number, since it uses less digits than its factorization.

55245351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531.

The product of its digits is 15000, while the sum is 30.

The square root of 55245351 is about 7432.7216414985. The cubic root of 55245351 is about 380.8598970959.

The spelling of 55245351 in words is "fifty-five million, two hundred forty-five thousand, three hundred fifty-one".