55101552 has 80 divisors (see below), whose sum is σ = 157370880. Its totient is φ = 16473600.

The previous prime is 55101521. The next prime is 55101559. The reversal of 55101552 is 25510155.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55101559) 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, 41052 + ... + 42372.

It is an arithmetic number, because the mean of its divisors is an integer number (1967136).

Almost surely, 2^55101552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55101552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78685440).

55101552 is an abundant number, since it is smaller than the sum of its proper divisors (102269328).

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

55101552 is a wasteful number, since it uses less digits than its factorization.

55101552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 55101552 is about 7423.0419640468. The cubic root of 55101552 is about 380.5291612156.

The spelling of 55101552 in words is "fifty-five million, one hundred one thousand, five hundred fifty-two".