55151442366 has 32 divisors (see below), whose sum is σ = 115727640576. Its totient is φ = 17499132000.

The previous prime is 55151442361. The next prime is 55151442439. The reversal of 55151442366 is 66324415155.

It is a super-3 number, since 3×55151442366³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55151442361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2419090 + ... + 2441781.

It is an arithmetic number, because the mean of its divisors is an integer number (3616488768).

Almost surely, 2^55151442366 is an apocalyptic number.

55151442366 is an abundant number, since it is smaller than the sum of its proper divisors (60576198210).

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

55151442366 is a wasteful number, since it uses less digits than its factorization.

55151442366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860968.

The product of its digits is 432000, while the sum is 42.

The spelling of 55151442366 in words is "fifty-five billion, one hundred fifty-one million, four hundred forty-two thousand, three hundred sixty-six".