55151492 has 24 divisors (see below), whose sum is σ = 107533440. Its totient is φ = 24534560.

The previous prime is 55151491. The next prime is 55151501. The reversal of 55151492 is 29415155.

It is not an unprimeable number, because it can be changed into a prime (55151491) by changing a digit.

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, 11267 + ... + 15402.

It is an arithmetic number, because the mean of its divisors is an integer number (4480560).

Almost surely, 2^55151492 is an apocalyptic number.

It is an amenable number.

55151492 is a deficient number, since it is larger than the sum of its proper divisors (52381948).

55151492 is a wasteful number, since it uses less digits than its factorization.

55151492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26731 (or 26729 counting only the distinct ones).

The product of its digits is 9000, while the sum is 32.

The square root of 55151492 is about 7426.4050522443. The cubic root of 55151492 is about 380.6440877307.

It can be divided in two parts, 5515 and 1492, that added together give a palindrome (7007).

The spelling of 55151492 in words is "fifty-five million, one hundred fifty-one thousand, four hundred ninety-two".