55151448 has 32 divisors (see below), whose sum is σ = 150413760. Its totient is φ = 16712480.

The previous prime is 55151419. The next prime is 55151461. The reversal of 55151448 is 84415155.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104190 + ... + 104717.

It is an arithmetic number, because the mean of its divisors is an integer number (4700430).

Almost surely, 2^55151448 is an apocalyptic number.

It is an amenable number.

55151448 is an abundant number, since it is smaller than the sum of its proper divisors (95262312).

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

55151448 is a wasteful number, since it uses less digits than its factorization.

55151448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208927 (or 208923 counting only the distinct ones).

The product of its digits is 16000, while the sum is 33.

The square root of 55151448 is about 7426.4020898414. The cubic root of 55151448 is about 380.6439865044.

The spelling of 55151448 in words is "fifty-five million, one hundred fifty-one thousand, four hundred forty-eight".