55151012 has 24 divisors (see below), whose sum is σ = 110800704. Its totient is φ = 23529312.

The previous prime is 55151003. The next prime is 55151021. The reversal of 55151012 is 21015155.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55151003) and next prime (55151021).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2018 + ... + 10694.

It is an arithmetic number, because the mean of its divisors is an integer number (4616696).

Almost surely, 2^55151012 is an apocalyptic number.

It is an amenable number.

55151012 is an abundant number, since it is smaller than the sum of its proper divisors (55649692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55151012 is a wasteful number, since it uses less digits than its factorization.

55151012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915 (or 8913 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 55151012 is about 7426.3727350571. The cubic root of 55151012 is about 380.6429834409.

Adding to 55151012 its reverse (21015155), we get a palindrome (76166167).

The spelling of 55151012 in words is "fifty-five million, one hundred fifty-one thousand, twelve".