42055461 has 12 divisors (see below), whose sum is σ = 69424992. Its totient is φ = 24031656.

The previous prime is 42055451. The next prime is 42055471. The reversal of 42055461 is 16455024.

It is an interprime number because it is at equal distance from previous prime (42055451) and next prime (42055471).

It is not a de Polignac number, because 42055461 - 2⁶ = 42055397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42055411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333711 + ... + 333836.

It is an arithmetic number, because the mean of its divisors is an integer number (5785416).

Almost surely, 2^42055461 is an apocalyptic number.

It is an amenable number.

42055461 is a deficient number, since it is larger than the sum of its proper divisors (27369531).

42055461 is a wasteful number, since it uses less digits than its factorization.

42055461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667560 (or 667557 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 42055461 is about 6485.0181958110. The cubic root of 42055461 is about 347.7556002973.

The spelling of 42055461 in words is "forty-two million, fifty-five thousand, four hundred sixty-one".