55148526 has 120 divisors (see below), whose sum is σ = 139409424. Its totient is φ = 16251840.

The previous prime is 55148521. The next prime is 55148551. The reversal of 55148526 is 62584155.

55148526 is a `hidden beast` number, since 551 + 4 + 85 + 26 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55148521) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1345066 + ... + 1345106.

Almost surely, 2^55148526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55148526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69704712).

55148526 is an abundant number, since it is smaller than the sum of its proper divisors (84260898).

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

55148526 is a wasteful number, since it uses less digits than its factorization.

55148526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 88 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 55148526 is about 7426.2053567081. The cubic root of 55148526 is about 380.6372640374.

The spelling of 55148526 in words is "fifty-five million, one hundred forty-eight thousand, five hundred twenty-six".