55348542 has 32 divisors (see below), whose sum is σ = 123536160. Its totient is φ = 18368640.

The previous prime is 55348537. The next prime is 55348561. The reversal of 55348542 is 24584355.

55348542 is a `hidden beast` number, since 5 + 534 + 85 + 42 = 666.

It is a super-2 number, since 2×55348542² = 6126922203051528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55348497 and 55348506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10888 + ... + 15140.

It is an arithmetic number, because the mean of its divisors is an integer number (3860505).

Almost surely, 2^55348542 is an apocalyptic number.

55348542 is an abundant number, since it is smaller than the sum of its proper divisors (68187618).

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

55348542 is a wasteful number, since it uses less digits than its factorization.

55348542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505 (or 4499 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 55348542 is about 7439.6600728797. The cubic root of 55348542 is about 381.0968815565.

The spelling of 55348542 in words is "fifty-five million, three hundred forty-eight thousand, five hundred forty-two".